Home / 216,063,396.24-324,109,513.96-75,987,047.40

Finding the Fourth Proportional to 216,063,396.24, 324,109,513.96 and 75,987,047.40

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Solution

The fourth proportional to 216,063,396.24, 324,109,513.96 and 75,987,047.40 is: 113,985,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,063,396.24 : 324,109,513.96 = 75,987,047.40 : x
  2. Step 2: Convert to fraction form
    216,063,396.24/324,109,513.96 = 75,987,047.40/x
  3. Step 3: Cross multiply
    216,063,396.24x = 324,109,513.96 × 75,987,047.40
  4. Step 4: Simplify right side
    216,063,396.24x = 24,628,125,000,069,484
  5. Step 5: Solve for x
    x = 24,628,125,000,069,484/216,063,396.24
  6. Step 6: Final answer
    x = 113,985,642.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.